The first very important thing is clear and enhance your concepts .. jus keep this thing in mind that building concepts and practicing a lot is damn important for IIT preparation..
You need to make taime table according to urself.. And manage your time as well as energies for the preparation of IIT JEE.
Study on target basis .i.e make a time table for one week along with list of topics that you will cover in that week.
Keep giving mock tests and join some good coaching centre for the proper guidance.
All the Best .
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